NOTE: After installation, if the following situations occur, please purchase a dedicated CANbus decoder. (It's not our LED lights quality problem): (1) Light are flickering; (2)The ERROR prompt appears on the dashboard; (3) One side of the bulb works properly and the other side does not. High Brightness. Increased by 600%: This H7 / H18 LED Bulb Using the latest 8040 Big size LED chips, 2X8 Large particle. 2-Side light, High-power 110W (55W/bulb), High brightness, 6500K Cool White Light. Beam pattern standard, safe driving Long Lifespan: Heat limits the brightness and service life of LED bulbs. So heat dissipation is very important. This H7 / H18 LED bulb uses a multiple cooling design: 2 Thermally Conductive Copper Tubes and pure copper substrate, heat transfer faster. Aviation aluminum body, overall heat dissipation. High speed fan for rapid heat removal Easy Installation: This H7/H18 LED bulb is designed for easy plug-n-play installation, allowing you to upgrade your vehicle's lighting in just a few minutes. This LED bulb comes with 2 pairs of customized specialized retainers, which can better accommodate certain special vehicles. Protective Design: IP68 level. This H7/H18 LED bulb is Waterproof. Dustproof. Cold proof. High temperature resistance. There will be no problems in all kinds of bad weather. H7 H18 LED Bulbs Super Bright 110W 30000Lm 6500K Cool White Built-in Fan and 2 Thermally Conductive Copper Tubes, Fog Lamp, Pack of 2